Insecure Temporary File in InRouter302 - CVE-2022-21809
Published: May 16, 2022
Vulnerability identifier: #VU63211
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-21809
CWE-ID: CWE-377
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a file write issue in the httpd upload.cgi functionality. A remote user can upload a malicious file and execute it on the server.
Affected software
InRouter302
How to mitigate CVE-2022-21809
Install update from vendor's website.
InRouter302 - update to 3.5.45